CN103462677A - Internal fixation system of spine and anchoring structure of internal fixation system of spine - Google Patents
Internal fixation system of spine and anchoring structure of internal fixation system of spine Download PDFInfo
- Publication number
- CN103462677A CN103462677A CN2013104509891A CN201310450989A CN103462677A CN 103462677 A CN103462677 A CN 103462677A CN 2013104509891 A CN2013104509891 A CN 2013104509891A CN 201310450989 A CN201310450989 A CN 201310450989A CN 103462677 A CN103462677 A CN 103462677A
- Authority
- CN
- China
- Prior art keywords
- screws
- internal fixation
- fixation system
- screw
- installing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an anchoring structure of an internal fixation system of a spine. The structure comprises a connecting block and at least two screws, wherein the connecting block is provided with mounting holes which are respectively matched with the screws; after the screws are matched with the mounting holes, straight lines where the at least two screws are located belong to different planes or are intersected. When the internal fixation of the spine is carried out, one screw firstly passes through one mounting hole in the connecting block to be implanted into a holding point of a bone block; then other screws are used for being sequentially implanted into bone blocks along the matching directions with other mounting holes; two screws with unparallel axles in the screws form a certain angle; the unscrewing directions of the two screws are inconsistent; the two screws are both matched with the connecting block at the same time, so that the two screws can be locked mutually and looseness is avoided. The anchoring structure can be used for being stably fixed at the holding point of the bone block, and the firm bone anchoring can be also realized under a poor bone density condition. The invention also discloses the internal fixation system of the spine, which comprises the anchoring structure.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of spinal internal fixation system and be anchored structure.
Background technology
The history of the existing last 100 years of the application of internal fixation of spine art, internal fixation is mainly that the things such as applied metal screw, steel plate, intramedullary needle, steel wire or hone lamella are directly in knochenbruch or the operation that knochenbruch is connected and fixed of outside, multiplex in open reduction of fracture and osteotomy, to keep resetting of folding end.
Internal fixation may be summarized to be two steps: 1) plant nail, on the bone piece at different vertebral bodys or fracture two ends, pedicle screw forms and controls anchor; 2) mounted connector, be arranged on the connecting devices such as steel plate, rod or steel wire on screw, thereby by compression, strut or reverse relative position between each anchor node and carry out the rectification to bone structure, then lock each anchor node and form whole interior fixed structure.
In existing internal fixation, the screw of implanting usually can obtain firm bone and be anchored, yet in the situation that some are special, the position for example bad at bone density, that sclerotin is more loose, its hold is less, the screw ratio of implanting is easier to become flexible, can't realize that firm bone is anchored, the stability that will jeopardize whole interior fixed structure, so that the final therapeutic effect of impact.Especially in rumpbone fixing, the sclerotin of rumpbone is usually looser, and the screw of implantation is easy to come off.
In view of this, urgently for above-mentioned technical problem, design a kind of anchor structure of spinal internal fixation system, can not realize that firm bone is anchored in the situation that bone density is good.
Summary of the invention
The anchor structure that the purpose of this invention is to provide a kind of spinal internal fixation system, this is anchored structure and can realize that firm bone is anchored in the situation that bone density is good.Another object of the present invention is to provide a kind of spinal internal fixation system.
In order to realize above-mentioned technical purpose, the invention provides a kind of anchor structure of spinal internal fixation system, comprise screw, the number of described screw is at least two; Also comprise contiguous block, described contiguous block has can be respectively and the installing hole of each described screw fit, and each described screw is respectively with after each described installing hole coordinates, the straight line antarafacial at least two described screw axis places or intersect.
Preferably, described contiguous block has at least two planes that become predetermined angulars, at least one described installing hole from other described mounting hole site on different described planes.
Preferably, at least one described installing hole, be provided with adjustable ring, described adjustable ring has female thread, and the head of described screw has the external screw thread with described screw-internal thread fit; The outside of described adjustable ring has convex arc surface, and the described installing hole that is provided with described adjustable ring has the concaved circular cambered surface coordinated with described convex arc surface.
Preferably, described anchor structure comprises two described screws, and in two described screws, one is connected with the installing hole of described contiguous block by described adjustable ring, and another one directly is threaded with the installing hole of described contiguous block.
Preferably, described contiguous block has two described planes that become predetermined angular, and each described plane has a described installing hole, and in two described installing holes, one has concaved circular cambered surface, and another one has female thread.
Preferably, two described screw antarafacials, and two described screws with the two all the projection on parallel plane intersect.
Preferably, the external screw thread of two described screw heads is identical, and the female thread of described adjustable ring is identical with the female thread of described installing hole.
The invention also discloses a kind of spinal internal fixation system, comprise some anchor structures, some syndetons and fixed structure, each described anchor structure difference implantable bone piece is allocation really, each described syndeton is connected with each described anchor structure respectively, described fixed structure determines the position between each described syndeton and fixes each described syndeton, and described anchor structure is the described anchor structure of above-mentioned any one.
Preferably, described syndeton is connected with the described contiguous block of described anchor structure, or is connected with the one in each described screw.
Preferably, described spinal internal fixation system is sacral fixation system.
The anchor structure of spinal internal fixation system provided by the invention, comprise contiguous block and at least two screws, contiguous block has can be respectively and the installing hole of each screw fit, and each screw is respectively with after each installing hole coordinates, the straight line antarafacial at least two screw axis places or intersect.
While carrying out internal fixation of spine, the gripping point of structure implantable bone piece will be anchored.First a screw is passed to the gripping point of an installing hole implantable bone piece of contiguous block; Then successively by other screws by the direction that coordinates with other installing holes implantable bone piece successively, and in each screw, have at least the straight line at two screw axis places not parallel, the axis of two above-mentioned screws has a certain degree, the two direction got loose is inconsistent, the two all coordinates with contiguous block again simultaneously, locking mutually between the two, avoid getting loose, and then can make the constitutionally stable gripping point that is fixed on the bone piece of anchor, can not realize that firm bone is anchored in the situation that bone density is good yet.
In a kind of mode, contiguous block has at least two planes that become predetermined angulars, at least one installing hole from other mounting hole site on different planes.
Contiguous block has into the Different Plane of predetermined angular, the axis of the installing hole on Different Plane is not parallel, the screw coordinated from above-mentioned installing hole respectively is positioned at different planes and becomes predetermined angular, and the screw coordinated with above-mentioned installing hole respectively can be avoided getting loose each other.
In another kind of mode, contiguous block has at least two installing holes that are positioned at the same plane axes intersect, and two screws and the contiguous block three that with these two installing holes, coordinate can form tripod structure, can realize firm bone anchor.
Further, in mode, at least one installing hole, be provided with adjustable ring, adjustable ring has female thread, and the head of screw has the external screw thread with screw-internal thread fit; The outside of adjustable ring has convex arc surface, and the installing hole that is provided with adjustable ring has the concaved circular cambered surface coordinated with convex arc surface.
Adjustable ring can coordinate with the installing hole arc surface, and its setting angle can suitably be regulated, and then the setting angle of the screw that coordinates with contiguous block by adjustable ring of adjusting that can be suitable.The installing hole of contiguous block can be determined the roughly direction of the screw be mated, in the range of accommodation of screw setting angle, can with other screw lockings, when mounting screw, can be by adjustable ring the setting angle according to the suitable adjustment screw of concrete condition of bone piece.
In a kind of preferred mode, be anchored structure and comprise two screws, in two screws, one is connected with the installing hole of contiguous block by adjustable ring, and another one directly is threaded with the installing hole of contiguous block; Contiguous block has two planes that become predetermined angular, and each plane has an installing hole, and in two installing holes, one has concaved circular cambered surface, and another one has female thread.
The invention also discloses a kind of spinal internal fixation system, comprise some anchor structures, some syndetons and fixed structure, each is anchored structure difference implantable bone piece allocation really, each syndeton is anchored structure respectively and is connected with each, fixed structure is determined the position between each syndeton and is fixed each syndeton, this is anchored structure can realize that firm bone is anchored, and can guarantee the stability of whole spinal internal fixation system on the rumpbone not good at bone density.
The accompanying drawing explanation
The installation diagram of a kind of specific embodiment of anchor structure that Fig. 1 is spinal internal fixation system provided by the invention;
The exploded perspective view that Fig. 2 is the anchor structure shown in Fig. 1;
The installation diagram that Fig. 3 is a kind of specific embodiment of spinal internal fixation system provided by the present invention;
The working state schematic representation that Fig. 4 is the spinal internal fixation system shown in Fig. 3.
Wherein, the Reference numeral in Fig. 1 to Fig. 4 is as follows:
Screw 1; External screw thread 13; Contiguous block 2; Installing hole 21; Plane 22; Adjustable ring 3; Female thread 31; Syndeton 4; Rumpbone 5.
The specific embodiment
Core of the present invention is to provide a kind of anchor structure of spinal internal fixation system, and this is anchored structure and can realize that firm bone is anchored in the situation that bone density is good.Another core of the present invention is to provide a kind of spinal internal fixation system.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, the installation diagram of a kind of specific embodiment of anchor structure that Fig. 1 is spinal internal fixation system provided by the invention, the exploded perspective view that Fig. 2 is the anchor structure shown in Fig. 1.
In a kind of concrete embodiment, the invention provides a kind of anchor structure of spinal internal fixation system, comprise contiguous block 2 and at least two screws 1, contiguous block 2 has the installing hole 21 that can coordinate with each screw 1 respectively, each screw 1 is respectively with after each installing hole 21 coordinates, the straight line antarafacial at least two screw 1 axis places or intersect.
While carrying out internal fixation of spine, the gripping point of structure implantable bone piece will be anchored.This is anchored structure and comprises at least two screws 1, the first installing hole 21 through contiguous block 2 by a screw 1, the gripping point of implantable bone piece, then successively by other screws 1 by the direction coordinated with other installing holes 21 implantable bone piece successively; Due to the straight line antarafacial that has two screws, 1 axis place in each screw 1 at least or crossing, that is to say that the two is not parallel, the axis of above-mentioned two screws 1 has a certain degree, the direction that gets loose of above-mentioned two screws 1 is inconsistent, the two all coordinates with contiguous block 2 again simultaneously, after the gripping point of the two implantable bone piece, locking mutually, avoid getting loose each other.
This is anchored in structure, have two screws 1 at least not in same plane, or not parallel in same plane, meet between two screws 1 of above-mentioned position relationship and all can realize locking, and then can make the constitutionally stable gripping point that is fixed on the bone piece of anchor, in the situation that the bone density of bone piece is not good, also can obtain the hold of expection by the mutual locking between screw 1, make the anchor structure realize that firm bone is anchored.
The screw 1 of two axis antarafacials only is shown in Fig. 1, can expect, this anchor structure can comprise the screw 1 of a plurality of axis antarafacials, then quantity and the direction of screw 1 are set according to the concrete characteristics of the concrete condition of bone piece and gripping point, then determine structure and the shape of contiguous block 2, make the bone piece obtain best bone and be anchored.
In order to realize that being anchored structure has the uneven screw 1 of axis, can make contiguous block 2 there is the uneven installing hole 21 of axis, a kind of concrete structure of contiguous block 2 is to have at least two planes 22 that become predetermined angular, and at least one installing hole 21 is positioned on different plane 22 from other installing holes 21.
Obviously, contiguous block 2 also can only have a plane, at least there are two uneven installing holes 21 of axis in this plane, two screws 1 and contiguous block 2 threes that with these two installing holes 21, coordinate can form tripod structure, after this is anchored the gripping point of structure implantable bone piece, even the bone density of bone piece is not good, also can obtain the hold of expection, realize that firm bone is anchored.
A kind of preferred embodiment in, this is anchored the interior adjustable ring 3 that arranges of at least one installing hole 21 of structure, adjustable ring 3 has female thread 31, the head of screw 1 has the external screw thread 13 coordinated with female thread 31; The outside of adjustable ring 3 has convex arc surface, and the installing hole 21 that adjustable ring 3 is set has the concaved circular cambered surface coordinated with convex arc surface.
During pedicle screw 1, the installing hole 21 of contiguous block 2 can be determined the roughly direction of screw 1, and adjustable ring 3 is the setting angle of adjustment screw 1 suitably, in the range of accommodation of screw 1 setting angle, this screw 1 after installing all can with the mutual locking of other screws 1.
Implant while being anchored structure, the concrete condition difference of each bone piece, after implanting first screw 1, while implanting remaining screw 1, can pass through the suitable adjustment implant angle of adjustable ring 3 according to the concrete condition of bone piece, realizes best anchor effect.
Each screw 1 that is anchored structure all can coordinate with contiguous block 2 by adjustable ring 3, also can be so that first screw 1 of implanting directly coordinates with contiguous block 2, after its location positioning, implant again other screws 1, other screws 1 coordinate with contiguous block 2 by adjustable ring 3, when other screws 1 are implanted, all can in proper range, adjust implant angle.
As shown in Figure 1, 2, be anchored structure and comprise that in 1, two screw 1 of two screws, one is connected with the installing hole 21 of contiguous block 2 by adjustable ring 3, another one directly is threaded with the installing hole 21 of contiguous block 2.After the gripping point of selected bone piece, first implant the screw 1 directly be connected with contiguous block 2, then according to the implantation direction of selected another screw 1 of structure of the structure of bone piece and contiguous block 2, can suitably adjust and implant direction by adjustable ring 3, obtain best implantation effect.
Concrete, can make contiguous block 2 there are two planes 22 that become predetermined angular according to the concrete structure design contiguous block 2 of bone piece, each plane 22 has one in 21, two installing holes 21 of an installing hole and has concaved circular cambered surface, and another one has female thread 31.
Further in preferred mode, above-mentioned two screw 1 antarafacials, and above-mentioned two screws 1 with the two all the projection on parallel plane intersect.
While planting nail, first first screw 1 implanted along definite direction, then make second screw 1 shrink and implant to laterally inclined angle to first screw 1, implant the latter two and be state as shown in Figure 1, the two and contiguous block 2 form triangular shape in side, perhaps, the two and contiguous block 2 in side, outwards open form trapezoidal; Simultaneously, with respect to the connecting line of two screw 1 heads, the implant angle of the two opens to both sides and is the outer Eight characters, obviously, from position relationship and the stressing conditions of two screws 1, can analyze and draw, the anchor structure of this structure can obtain more stable bone and be anchored.
Concrete, the external screw thread 13 of two screw 1 heads can be identical, and the female thread 31 of adjustable ring 3 also can be identical with the female thread of installing hole 21, like this can be so that two screws 1 have good interchangeability.
Please refer to Fig. 3 and Fig. 4, the installation diagram that Fig. 3 is a kind of specific embodiment of spinal internal fixation system provided by the present invention, the working state schematic representation that Fig. 4 is the spinal internal fixation system shown in Fig. 3.
The present invention also provides a kind of spinal internal fixation system, comprise some anchor structures, some syndetons 4 and fixed structure, each is anchored structure difference implantable bone piece allocation really, each syndeton 4 is anchored structure respectively and is connected with each, fixed structure determines the position between each syndeton 4 and fixes each syndeton 4, and being anchored structure is the anchor structure described in the various embodiments described above.
Fixed structure is the parts such as reposition lever, fixing head, does not look out fixed structure in Fig. 3 and Fig. 4, and syndeton 4 provides and the junction point that is anchored structure for fixed structure, and coordinates with fixed structure and realize homing action locking, corrects bone structure.
When looser bone piece is fixed to sclerotin, use above-mentioned anchor structure, can obtain the hold of expection; Each is anchored structure and is connected with each syndeton 4 respectively, then, fixed structure is arranged on each syndeton 4, by compression, strut or the homing action such as torsion changes each relative position be anchored between point and realizes the rectification to bone structure, then locking each be anchored point and form a whole spinal internal fixation system.
Concrete, syndeton 4 can be connected with the one in each screw 1 that is anchored structure, also can be connected with the contiguous block 2 that is anchored structure.Syndeton 4 can be with reference to prior art with the type of attachment that is anchored structure, and this paper repeats no more.
In a kind of mode, described spinal internal fixation system can be sacral fixation system, and the sclerotin of rumpbone 5 is usually more loose, as shown in Figure 4.
This spinal internal fixation system can be not only sacral fixation system, can also be other spinal internal fixation system.When the bad or osteoporotic patient of bone density is carried out to internal fixation of spine, each is anchored point all can adopt the anchor structure described in the present invention, makes spinal internal fixation system obtain best therapeutic effect.
Above to spinal internal fixation system provided by the present invention and be anchored structure and be described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
1. the anchor structure of a spinal internal fixation system, comprise screw (1), it is characterized in that, the number of described screw (1) is at least two; Also comprise contiguous block (2), described contiguous block (2) has the installing hole (21) that can coordinate with each described screw (1) respectively, each described screw (1) is respectively with after each described installing hole (21) coordinates, the straight line antarafacial at least two described screws (1) axis place or intersect.
2. the anchor structure of spinal internal fixation system as claimed in claim 1, it is characterized in that, described contiguous block (2) has at least two planes (22) that become predetermined angular, and at least one described installing hole (21) is positioned on different described planes (22) from other described installing holes (21).
3. the anchor structure of spinal internal fixation system as claimed in claim 2, it is characterized in that, be provided with adjustable ring (3) at least one described installing hole, described adjustable ring (3) has female thread (31), and the head of described screw (1) has the external screw thread (13) coordinated with described female thread (31); The outside of described adjustable ring (3) has convex arc surface, and the described installing hole (21) that is provided with described adjustable ring (3) has the concaved circular cambered surface coordinated with described convex arc surface.
4. the anchor structure of spinal internal fixation system as claimed in claim 3, it is characterized in that, described anchor structure comprises two described screws (1), in two described screws (1), one is connected with the installing hole (21) of described contiguous block (2) by described adjustable ring (3), and another one directly is threaded with the installing hole (21) of described contiguous block (2).
5. the anchor structure of spinal internal fixation system as claimed in claim 4, it is characterized in that, described contiguous block (2) has two described planes (22) that become predetermined angular, each described plane (22) has a described installing hole (21), in two described installing holes (21), one has concaved circular cambered surface, and another one has female thread (31).
6. the anchor structure of spinal internal fixation system as claimed in claim 5, is characterized in that, two described screws (1) antarafacial, and two described screws (1) with the two all the projection on parallel plane intersect.
7. the anchor structure of spinal internal fixation system as claimed in claim 6, is characterized in that, the external screw thread (13) of two described screws (1) head is identical, and the female thread (31) of described adjustable ring (3) is identical with the female thread of described installing hole (21).
8. a spinal internal fixation system, comprise some anchor structures, some syndetons (4) and fixed structure, each described anchor structure difference implantable bone piece is allocation really, each described syndeton (4) is connected with each described anchor structure respectively, described fixed structure is determined the position between each described syndeton (4) and is fixed each described syndeton (4), it is characterized in that, described anchor structure is the described anchor structure of claim 1 to 7 any one.
9. spinal internal fixation system as claimed in claim 8, is characterized in that, described syndeton (4) is connected with the described contiguous block (2) of described anchor structure, or be connected with the one in each described screw (1).
10. spinal internal fixation system as claimed in claim 9, is characterized in that, described spinal internal fixation system is sacral fixation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104509891A CN103462677A (en) | 2013-09-26 | 2013-09-26 | Internal fixation system of spine and anchoring structure of internal fixation system of spine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104509891A CN103462677A (en) | 2013-09-26 | 2013-09-26 | Internal fixation system of spine and anchoring structure of internal fixation system of spine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103462677A true CN103462677A (en) | 2013-12-25 |
Family
ID=49787892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104509891A Pending CN103462677A (en) | 2013-09-26 | 2013-09-26 | Internal fixation system of spine and anchoring structure of internal fixation system of spine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103462677A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5954722A (en) * | 1997-07-29 | 1999-09-21 | Depuy Acromed, Inc. | Polyaxial locking plate |
| EP1857064A1 (en) * | 2006-05-15 | 2007-11-21 | Biomet Spain Orthopaedics S.L. | Surgical screw system |
| CN102172332A (en) * | 2005-10-25 | 2011-09-07 | 圣歌整形外科有限责任公司 | Bone fastening assembly and bushing and screw for use therewith |
| CN202568417U (en) * | 2012-04-12 | 2012-12-05 | 上海交通大学医学院附属仁济医院 | Anterior cervical self-locking steel plate system |
| US20130085534A1 (en) * | 2011-09-30 | 2013-04-04 | Nicolas Hainard | Connectors for a secondary bone anchor |
| CN203619646U (en) * | 2013-09-26 | 2014-06-04 | 上海三友医疗器械有限公司 | Spinal fixation system and anchoring structure thereof |
-
2013
- 2013-09-26 CN CN2013104509891A patent/CN103462677A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5954722A (en) * | 1997-07-29 | 1999-09-21 | Depuy Acromed, Inc. | Polyaxial locking plate |
| CN102172332A (en) * | 2005-10-25 | 2011-09-07 | 圣歌整形外科有限责任公司 | Bone fastening assembly and bushing and screw for use therewith |
| EP1857064A1 (en) * | 2006-05-15 | 2007-11-21 | Biomet Spain Orthopaedics S.L. | Surgical screw system |
| CN101073513A (en) * | 2006-05-15 | 2007-11-21 | 巴奥米特西班牙整形公司 | Surgical screw system and its application |
| US20130085534A1 (en) * | 2011-09-30 | 2013-04-04 | Nicolas Hainard | Connectors for a secondary bone anchor |
| CN202568417U (en) * | 2012-04-12 | 2012-12-05 | 上海交通大学医学院附属仁济医院 | Anterior cervical self-locking steel plate system |
| CN203619646U (en) * | 2013-09-26 | 2014-06-04 | 上海三友医疗器械有限公司 | Spinal fixation system and anchoring structure thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2016294449B2 (en) | Bone plates with dynamic elements | |
| US11116551B2 (en) | Lamina implants and methods for spinal decompression | |
| JP5081452B2 (en) | Bone fixation system with low dimension anchoring | |
| JP4558501B2 (en) | Fracture fixation system with both multi-directional stabilizing pegs and unidirectional stabilizing pegs | |
| US20080177327A1 (en) | Central rod connector and T-rod | |
| EP2632358B1 (en) | Directional control for a multi-axial screw assembly | |
| US7722645B2 (en) | Pedicle screw spinal fixation device | |
| US9987045B2 (en) | Method and system for trans-lamina spinal fixation | |
| JP2012530550A5 (en) | ||
| US10624676B2 (en) | System and method for cervical midline fixation | |
| US20120265301A1 (en) | Intraosseous fixation assembly for an osteotomy and method of use | |
| JP2003522589A (en) | Methods and systems for spinal fusion | |
| AU2019200888A1 (en) | Semi-constrained anchoring system for correcting a spinal deformity | |
| US20200383705A1 (en) | Bone Implant Having Tether Band | |
| CN203619646U (en) | Spinal fixation system and anchoring structure thereof | |
| CN103462677A (en) | Internal fixation system of spine and anchoring structure of internal fixation system of spine | |
| RU2673964C2 (en) | Osteosynthesis system comprising means for straightening bone anchoring element relative to screw head and anchoring screw implemented in such system | |
| KR101451515B1 (en) | Connector for high tibia osteotomy | |
| KR20150037742A (en) | Spinous process fixation apparatus and method | |
| CN102670295B (en) | Internal fixation device of spine | |
| US10441321B2 (en) | Rib hook devices, systems, and methods of use | |
| US10786289B2 (en) | System and methods for positioning of two or more interacting elements | |
| CN202589632U (en) | Spine internal fixing device | |
| CN104042317A (en) | Spine fixing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131225 |